



@article {2392,
	title = {Fibrinogen adsorption, platelet adhesion and activation on mixed hydroxyl-/methyl-terminated self-assembled monolayers},
	journal = {BiomaterialsBiomaterials},
	volume = {27},
	year = {2006},
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},
	month = {2006///},
	pages = {5357 - 5367},
	abstract = {The effect of surface wettability on fibrinogen adsorption, platelet adhesion and platelet activation was investigated using self-assembled monolayers (SAMs) containing different ratios of longer chain methyl- and shorter chain hydroxyl-terminated alkanethiols (C15CH3 vs. C11OH) on gold. Protein adsorption studies were performed using radiolabeled human fibrinogen (HFG). Platelet adhesion and activation studies with and without pre-adsorbed fibrinogen, albumin and plasma were assessed using scanning electron microscopy (SEM) and a glutaraldehyde-induced fluorescence technique (GIFT). Results demonstrated a linear decrease of HFG adsorption with the increase of OH groups on the monolayer (increase of the hydrophilicity). Platelet adhesion and activation also decrease with increase of hydrophilicity of surface. Concerning SAMs pre-immersed in proteins, fibrinogen adsorption was related with high platelet adhesion and activation. The passivant effect of albumin on platelet adhesion and activation was only demonstrated on SAMs contained C11OH. When all the blood proteins are present (plasma) platelet adhesion was almost absent on SAMs with 65\% and 100\% C11OH. This could be explained by the higher albumin affinity of the SAMs with 65\% C11OH and the lower total protein adsorption associated with SAMs with 100\% C11OH. {\textcopyright} 2006 Elsevier Ltd. All rights reserved.},
	keywords = {Adsorption, Albumin, alkane derivative, Alkanes, article, binding affinity, Biocompatible Materials, Blood Platelets, Cells, Cultured, Chemical reactions, controlled study, Crystallization, fibrinogen, Fluorescence, fluorescence analysis, glutaraldehyde, gold, human, human cell, Humans, hydrophilicity, Hydroxides, hydroxyl group, materials testing, methyl group, Methylation, monolayer culture, Monolayers, normal human, Organic compounds, plasma, Plasma protein, Platelet activation, Platelet adhesion, Platelet Adhesiveness, priority journal, Protein adsorption, protein binding, Proteins, Radiolabeled human fibrinogen (HFG), Scanning electron microscopy, Self assembled, SEM, Sulfhydryl Compounds, surface property, thiol derivative, thrombocyte adhesion, wettability},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33746216936\&partnerID=40\&md5=c2c54ad0448df431fbd884394915eb51},
	author = {Rodrigues, S.N. and Gon{\c c}alves, I.C. and Martins, M.C.L. and Barbosa, M.A. and Ratner, B.D.}
}
